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Supernatural Sneak Peek: Bite Down, Sam...

So teases/warns the official CW promo for this Friday's episode, "Family Matters." Sam is the individual at the center of this dilemma, as the following clip depicts Castiel and Dean's attempt to diagnose the hunter... in a rather painful manner.

Take a look at it now and then return to TV Fanatic first thing Saturday morning. We'll post a detailed recap/review of the installment and open up the floor to fan debate.